The film was listed as one of the DPP's 72 video nasties in the UK and even made the final list of 39 official titles for prosecution. It was finally released in January 2023 by 88 Films, 45 years after its original release.
The Mardi Gras scenes were shot on Mardi Gras.
Feb. 1975 Playboy Playmate of the Month Laura Misch Owens' first credited role after appearing in four movies. In a 2005 article for Salon, Misch wrote, "I'm sure you've seen me in Mardi Gras Massacre, having my innards cut out by a guy wearing an Aztec mask . . . one of the worst movies ever, ever made. I'm proud."
The sequences in the killer's sacrificial altar room were all filmed in a warehouse.